Finding the Fourth Proportional to 5,192,319.21, 7,165,459.27 and 2,869,202.15
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Solution
The fourth proportional to 5,192,319.21, 7,165,459.27 and 2,869,202.15 is: 3,959,531.44
Step by Step Solution
- Step 1: Write the proportion equation
5,192,319.21 : 7,165,459.27 = 2,869,202.15 : x - Step 2: Convert to fraction form
5,192,319.21/7,165,459.27 = 2,869,202.15/x - Step 3: Cross multiply
5,192,319.21x = 7,165,459.27 × 2,869,202.15 - Step 4: Simplify right side
5,192,319.21x = 20,559,151,128,875.42 - Step 5: Solve for x
x = 20,559,151,128,875.42/5,192,319.21 - Step 6: Final answer
x = 3,959,531.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.